Dr. Ruben Mayer, MD
4540 Trenholm Rd, Columbia, SC 29206 • +1-565-555-3487
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Columbia Percentiles
NPI #1891755039 • CBSA Regional • Internal Medicine
Anchored in Columbia, SC 29206, Dr. Ruben Mayer, MD (NPI 1891755039) logged 7,127 annual procedures (upper-quartile active clinical volume (83.13th Columbia percentile), 88.9th SC percentile, +0.28σ) with sub-specialty concentration in 112 Active CMS HCPCS Codes.
Dr. Mayer's longitudinal care intensity (10.6 billed units per patient across 675 individuals) centers on 99214 (3115 annual units) and 99213 ($38–$53 cash range).
Direct cash-pay transparency modeling sets Dr. Mayer's baseline new-consult rate near $209.00 in Columbia, SC (cash-pay accepted, in-person clinic visits only, 12-minute average reception wait).
Patients evaluating Dr. Ruben Mayer in ZIP 29206 note 19 years of post-doctoral tenure (null, 2007) alongside 10.6 annual CMS procedures per patient.
Compared against Columbia, SC Internal Medicine peers
7,127 annual services across 675 beneficiaries
Standard deviations from SC Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 3,115 | 83.13th | $49 – $68 |
| 99213 | Established Preventive & Chronic Care Visit | 1,800 | 84.13th | $38 – $53 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 900 | 84.13th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 692 | 84.13th | $58 – $80 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 415 | 78.13th | $69 – $94 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (112 HCPCS billing breadth) | 204 | 83.13th | $45 – $65 |
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Dr. Ruben Mayer, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mayer National Provider Identifier | NPI #1891755039 (MD) | CMS NPPES Registry (29206) |
| Dr. Mayer Columbia CMS Volume Rank | 83.13th Pct (7,127 CMS svcs; Z +0.278σ) | CMS Medicare Part B (SC Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Columbia, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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